2020 TW3
ephemeris	date	magn	radius	delta	ra	dec	elong	phase
Today	9 Sep 2026	23.8	1.665 AU	0.717 AU	01h11m	-06°46'	149.3°	18.0°

The interactive orbit chart above shows the body's path through the solar system and its position at the given date. Green and blue lines are shown perpendicular to the ecliptic plane: Green if the path is above the ecliptic plane, blue if it is below. (Left-click and drag to rotate the view; Right-click and drag to move the view; Use scroll wheel to zoom in our out.)

The orbital elements of 2020 TW3 are:

            e (Eccentricity)                : 0.6858839
            a (Semimajor axis)              : 2.0907027
            i (Inclination)                 : 10.82165
            Ω (Longitude of ascending node) : 28.67268
            ω (Argument of perihelion)      : 87.43611
            M (Mean anomaly)                : 294.81518
            Epoch                           : 2026 Jun 09

            L (Longitude of perihelion)     : 116.06243
            B (Latitude of perihelion)      : 10.81069
            P (Orbital period in years)     : 3.02            
        

The light curve chart below shows the estimated development of the minor planet's magnitude.

The all-sky chart below shows the path of the minor planet over the same period as the light curve. The current position is marked yellow.

The following chart shows the path of the minor planet in the next few days. The field of view is optimized for (~10x50) binoculars and finderscopes.

Ephemerides:

Date       Time       RA (2000)    DEC (2000)    delta   radius  elong  phase   PA    magn
2026-09-09 00:00 UT   01 11 39.5   -06 46 21     0.717    1.665  149.3   18.0   271   23.8 
2026-09-09 20:55 UT   01 11 07.6   -06 52 10     0.705    1.656  150.2   17.6   272   23.7 
2026-09-10 00:00 UT   01 11 02.7   -06 53 03     0.703    1.655  150.4   17.5   272   23.7 
2026-09-11 00:00 UT   01 10 22.0   -07 00 00     0.689    1.645  151.4   17.1   273   23.7 
2026-09-12 00:00 UT   01 09 37.5   -07 07 12     0.675    1.635  152.4   16.6   274   23.6 
2026-09-13 00:00 UT   01 08 48.9   -07 14 40     0.662    1.625  153.4   16.1   276   23.5 
2026-09-14 00:00 UT   01 07 56.1   -07 22 22     0.648    1.615  154.4   15.6   277   23.4 
2026-09-15 00:00 UT   01 06 59.1   -07 30 20     0.635    1.605  155.5   15.1   279   23.4 
2026-09-16 00:00 UT   01 05 57.5   -07 38 32     0.622    1.595  156.5   14.6   281   23.3 
2026-09-17 00:00 UT   01 04 51.4   -07 46 59     0.609    1.585  157.5   14.0   282   23.2 
2026-09-18 00:00 UT   01 03 40.5   -07 55 40     0.596    1.575  158.5   13.5   285   23.1 
2026-09-19 00:00 UT   01 02 24.6   -08 04 36     0.584    1.565  159.5   13.0   287   23.0 
2026-09-20 00:00 UT   01 01 03.7   -08 13 46     0.571    1.555  160.5   12.4   290   23.0 
2026-09-21 00:00 UT   00 59 37.6   -08 23 10     0.559    1.545  161.5   11.9   293   22.9 
2026-09-22 00:00 UT   00 58 06.0   -08 32 48     0.547    1.534  162.4   11.4   296   22.8 
2026-09-23 00:00 UT   00 56 28.8   -08 42 38     0.535    1.524  163.2   10.9   300   22.7 
2026-09-24 00:00 UT   00 54 45.8   -08 52 41     0.524    1.514  164.1   10.5   304   22.6 
2026-09-25 00:00 UT   00 52 56.8   -09 02 57     0.512    1.503  164.8   10.1   309   22.6 
2026-09-26 00:00 UT   00 51 01.6   -09 13 23     0.501    1.493  165.4    9.7   314   22.5 
2026-09-27 00:00 UT   00 49 00.1   -09 24 01     0.490    1.483  166.0    9.4   320   22.4 
2026-09-28 00:00 UT   00 46 51.9   -09 34 50     0.479    1.472  166.4    9.2   326   22.3 
2026-09-29 00:00 UT   00 44 36.9   -09 45 47     0.469    1.462  166.6    9.1   333   22.3 
2026-09-30 00:00 UT   00 42 14.9   -09 56 54     0.458    1.451  166.7    9.2   340   22.2 

    Terminology:
            
    delta:  distance between minor planet and earth in AU
    radius: distance between minor planet and sun in AU
    magn:   magnitude (brightness) estimate    
    ra:     right ascension in hours (24h = 360deg)
    dec:    declination in degrees
    elong:  elongation in degrees (angle sun-earth-minor planet)    
    phase:  phase angle in degrees (angle sun-minor planet-earth)        
    AU:     Astronomical Unit (mean distance between earth and sun: 149597870.7 km
    

Orbital elements provided by the MPC (Minor Planet Center).
Calculations by a modified version of AAPlus, a C# implementation of the AA+ project by PJ Naughter from the algorithms presented in the book "Astronomical Algorithms" by Jean Meeus.
NGC2000 dso catalog and star labels from VizieR as provided by the Strasbourg astronomical Data Center.
Tycho2 catalog from the ESO archive.